valleys farther west. and in montgomery, arlington, fairfax, prince george's counties now, we're just in the low 50s here predawn. in the southern sky, moon and jupiter, eastern sky. venus is now rising in this clear sky. for your morning commute, sunrise 7:08. and by then, under this clear sky, we'll still be in the 50s to around 60. then for your lunch hour, big warmup. we'll be into the mid and upper 70s. low humidity, lots of sun. during the afternoon we'll peak in the low 80s by midafternoon. then the big changes start to move in saturday afternoon. before then, increasing clouds, mid-70s. and maybe a passing shower as a front comes in behind that front, much chillier weather moving in. by dawn sunday, near 50. chilly rain off and on sunday morning into sunday afternoon. with highs only in the upper 50s on sunday. all the way down to near 40 on monday morning. sunny monday, highs just around 60. a bit milder midweek.